Soleplate for an iron



FIG. 1 is a front, top, left perspective view of a soleplate for an iron, showing our design;

FIG. 2 is a left side view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a back view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof. 

The ornamental design for a soleplate for an iron, as shown and described. 